Boost to h → Zγ: From LHC to future e+e- colliders

被引：9
|
作者：
No, Jose Miguel [1 ,2 ]
Spannowsky, Michael [3 ]
机构：
[1] Kings Coll London, Dept Phys, London WC2R 2LS, England
[2] Univ Sussex, Dept Phys & Astron, Brighton BN1 9QH, E Sussex, England
[3] Univ Durham, Inst Particle Phys Phenomenol, Phys Dept, Durham DH1 3LE, England
来源：
PHYSICAL REVIEW D | 2017年 / 95卷 / 07期
基金：
欧洲研究理事会;
关键词：
PP COLLISIONS; ROOT-S=7; SEARCH; PHOTON; BOSON;
D O I：
10.1103/PhysRevD.95.075027
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
A precise measurement of the Higgs h -> Z gamma decay is very challenging at the LHC, due to the very low branching fraction and the shortage of kinematic handles to suppress the large SM Z gamma background. We show how such a measurement would be significantly improved by considering Higgs production in association with a hard jet. We compare the prospective HL-LHC sensitivity in this channel with other Higgs production modes where h is fairly boosted, e.g. weak boson fusion, and also to the potential h -> Z gamma measurement achievable with a future e(+)e(-) circular collider (fcc-ee). Finally, we discuss new physics implications of a precision measurement of h -> Z gamma.
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收藏
页数：7
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